General

  • Target

    12112024_0003_Solicitud de cotizaci�n 11-11-2024�pdf.vbs.zip

  • Size

    46KB

  • Sample

    241112-acdeqazenc

  • MD5

    c2a8a46ac8037c5b0c48a3fd5db2eeb2

  • SHA1

    111756633ca7cba48161365b8fbdf1018a63dbd4

  • SHA256

    9939124470b905a59211785f33e22b3761829b7cacd89bb03d7104f4c71a8d72

  • SHA512

    18bf5375cbd7b6bc7f875f6c51240c60fc570e5bbce23c8b64a8beeaa7f98065f544b9c2f1fd6d0a26c76597ed7803a1c658ddff72fb89df8f095769715d4544

  • SSDEEP

    768:GMPP9RF6V8Ojabor58j4FnjU0dbJj3cbTsPa93gf4Z2oEKIOATyzZu0Y7ad7HQ6f:GMX9RiabA3FnjpdbJbgTJ3CsYKSTAZz/

Malware Config

Extracted

Family

remcos

Botnet

RemoteHost

C2

t-vw8qw3d.duckdns.org:23458

Attributes
  • audio_folder

    MicRecords

  • audio_path

    ApplicationPath

  • audio_record_time

    5

  • connect_delay

    0

  • connect_interval

    1

  • copy_file

    remcos.exe

  • copy_folder

    Remcos

  • delete_file

    false

  • hide_file

    false

  • hide_keylog_file

    false

  • install_flag

    false

  • keylog_crypt

    true

  • keylog_file

    logs.dat

  • keylog_flag

    false

  • keylog_folder

    remcos

  • mouse_option

    false

  • mutex

    Rmc-OFN57D

  • screenshot_crypt

    false

  • screenshot_flag

    false

  • screenshot_folder

    Screenshots

  • screenshot_path

    %AppData%

  • screenshot_time

    10

  • take_screenshot_option

    false

  • take_screenshot_time

    5

Targets

    • Target

      Solicitud de cotización 11-11-2024·pdf.vbs

    • Size

      85KB

    • MD5

      e56ac816d58f9404f4dcdf20eaefc4e3

    • SHA1

      9e326579cf5f7fab3a13c7151263699247ec6c30

    • SHA256

      906ce7810e3b4d1729d3a5c3044af98b5447c0137c742476fa769df801fc843e

    • SHA512

      4d0b34a417df2d245a5c633ce5feb426780a11104773eca9b9ec1766a14ddd6d35f1fd96b26eb32e973d5688166376c041c63b659a8ee253348466acbfb7a936

    • SSDEEP

      1536:670tE9G0kixGd9papuoNHMqJ5uXsjJqPkKk/Qf/YugT1VBXaAj2abf:6Qa9GhAU9sh5u8sPQ/Qf/YuYVBzbf

    • Remcos

      Remcos is a closed-source remote control and surveillance software.

    • Remcos family

    • UAC bypass

    • Detected Nirsoft tools

      Free utilities often used by attackers which can steal passwords, product keys, etc.

    • NirSoft MailPassView

      Password recovery tool for various email clients

    • NirSoft WebBrowserPassView

      Password recovery tool for various web browsers

    • Blocklisted process makes network request

    • Uses browser remote debugging

      Can be used control the browser and steal sensitive information such as credentials and session cookies.

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • Accesses Microsoft Outlook accounts

    • Command and Scripting Interpreter: PowerShell

      Using powershell.exe command.

    • Legitimate hosting services abused for malware hosting/C2

    • Suspicious use of NtCreateThreadExHideFromDebugger

    • Suspicious use of NtSetInformationThreadHideFromDebugger

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks